need help student pilot

Hi, Im a student pilot from puerto rico looking forward in finishing my Ba in aeronautics science. I need to make a project for math and Im making it related to planes I started out with an a300 but im missing some data which I still need to find. if anyone can help me Ill appreciated very much. this Is what I need to complete my project for finding the cg of a300. I need the following numbers.

the weight for the wings, horizontal and vertical tail. If any one can address me to any web site with this info. Gracias = thanks